[Submitted on 23 Sep 2026]
Title:Adversarial Closed-Loop Curriculum for Evolving Role-Playing Agents
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Abstract:Role-playing agents based on large language models have been widely applied in areas such as personalized assistance and social simulation. Recent RL methods typically train on a fixed scenario pool collected before learning begins. This creates a distributional bottleneck: as the agent improves, the scenarios where it performs poorly also change, while the training distribution remains static. Therefore, we propose AdvRole, an adversarial context rewriting framework that turns role-playing RL into a closed-loop curriculum. AdvRole alternates between an Actor that learns to role-play and a Rewriter that edits character profiles and dialogue contexts into actor-specific hard scenarios. The Rewriter is trained with a performance-gap reward, which favors rewrites that reduce the current Actor's score relative to the original scenario. As a result, the scenario pool evolves with the Actor and continuously targets under-mastered regions of the character-context space. Experiments on three role-playing benchmarks covering English and Chinese, as well as a new multilingual benchmark we release, show that AdvRole consistently outperforms baselines.
Subjects:
Artificial Intelligence (cs.AI)
Cite as: arXiv:2609.28609 [cs.AI]
(or arXiv:2609.28609v1 [cs.AI] for this version)
https://doi.org/10.48550/arXiv.2609.28609
arXiv-issued DOI via DataCite
Submission history
From: Zheng Zhang [view email] [v1] Wed, 23 Sep 2026 16:58:08 UTC (344 KB)
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